/* * Copyright 2012 Nikolay Sivov for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "dwrite_2.h" #include "d2d1.h" #include "wine/debug.h" #include "wine/unicode.h" static const DWRITE_MATRIX identity = { 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f }; static inline void *heap_alloc(size_t len) { return HeapAlloc(GetProcessHeap(), 0, len); } static inline void *heap_alloc_zero(size_t len) { return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len); } static inline void *heap_realloc(void *mem, size_t len) { return HeapReAlloc(GetProcessHeap(), 0, mem, len); } static inline void *heap_realloc_zero(void *mem, size_t len) { return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len); } static inline BOOL heap_free(void *mem) { return HeapFree(GetProcessHeap(), 0, mem); } static inline LPWSTR heap_strdupW(const WCHAR *str) { LPWSTR ret = NULL; if(str) { DWORD size; size = (strlenW(str)+1)*sizeof(WCHAR); ret = heap_alloc(size); if(ret) memcpy(ret, str, size); } return ret; } static inline LPWSTR heap_strdupnW(const WCHAR *str, UINT32 len) { WCHAR *ret = NULL; if (len) { ret = heap_alloc((len+1)*sizeof(WCHAR)); if(ret) { memcpy(ret, str, len*sizeof(WCHAR)); ret[len] = 0; } } return ret; } static inline const char *debugstr_range(const DWRITE_TEXT_RANGE *range) { return wine_dbg_sprintf("%u:%u", range->startPosition, range->length); } static inline const char *debugstr_matrix(const DWRITE_MATRIX *m) { if (!m) return "(null)"; return wine_dbg_sprintf("{%.2f,%.2f,%.2f,%.2f,%.2f,%.2f}", m->m11, m->m12, m->m21, m->m22, m->dx, m->dy); } static inline unsigned short get_table_entry(const unsigned short *table, WCHAR ch) { return table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0xf)]; } static inline FLOAT get_scaled_advance_width(INT32 advance, FLOAT emSize, const DWRITE_FONT_METRICS *metrics) { return (FLOAT)advance * emSize / (FLOAT)metrics->designUnitsPerEm; } extern HRESULT convert_fontface_to_logfont(IDWriteFontFace*, LOGFONTW*) DECLSPEC_HIDDEN; extern HRESULT create_numbersubstitution(DWRITE_NUMBER_SUBSTITUTION_METHOD,const WCHAR *locale,BOOL,IDWriteNumberSubstitution**) DECLSPEC_HIDDEN; extern HRESULT create_textformat(const WCHAR*,IDWriteFontCollection*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH, FLOAT,const WCHAR*,IDWriteTextFormat**) DECLSPEC_HIDDEN; extern HRESULT create_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,IDWriteTextLayout**) DECLSPEC_HIDDEN; extern HRESULT create_gdicompat_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,FLOAT,const DWRITE_MATRIX*,BOOL,IDWriteTextLayout**) DECLSPEC_HIDDEN; extern HRESULT create_trimmingsign(IDWriteFactory2*,IDWriteTextFormat*,IDWriteInlineObject**) DECLSPEC_HIDDEN; extern HRESULT create_typography(IDWriteTypography**) DECLSPEC_HIDDEN; extern HRESULT create_gdiinterop(IDWriteFactory2*,IDWriteGdiInterop**) DECLSPEC_HIDDEN; extern void release_gdiinterop(IDWriteGdiInterop*) DECLSPEC_HIDDEN; extern HRESULT create_localizedstrings(IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; extern HRESULT add_localizedstring(IDWriteLocalizedStrings*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN; extern HRESULT clone_localizedstring(IDWriteLocalizedStrings *iface, IDWriteLocalizedStrings **strings) DECLSPEC_HIDDEN; extern void set_en_localizedstring(IDWriteLocalizedStrings*,const WCHAR*) DECLSPEC_HIDDEN; extern HRESULT get_system_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN; extern HRESULT get_eudc_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN; extern HRESULT get_textanalyzer(IDWriteTextAnalyzer**) DECLSPEC_HIDDEN; extern HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file) DECLSPEC_HIDDEN; extern HRESULT create_localfontfileloader(IDWriteLocalFontFileLoader** iface) DECLSPEC_HIDDEN; extern HRESULT create_fontface(DWRITE_FONT_FACE_TYPE,UINT32,IDWriteFontFile* const*,UINT32,DWRITE_FONT_SIMULATIONS,IDWriteFontFace2**) DECLSPEC_HIDDEN; extern HRESULT create_font_collection(IDWriteFactory2*,IDWriteFontFileEnumerator*,BOOL,IDWriteFontCollection**) DECLSPEC_HIDDEN; extern HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE,DWRITE_MEASURING_MODE,DWRITE_GLYPH_RUN const*,FLOAT,const DWRITE_MATRIX*, DWRITE_GRID_FIT_MODE,DWRITE_TEXT_ANTIALIAS_MODE,FLOAT,FLOAT,IDWriteGlyphRunAnalysis**) DECLSPEC_HIDDEN; extern BOOL is_system_collection(IDWriteFontCollection*) DECLSPEC_HIDDEN; extern HRESULT get_local_refkey(const WCHAR*,const FILETIME*,void**,UINT32*) DECLSPEC_HIDDEN; extern HRESULT get_filestream_from_file(IDWriteFontFile*,IDWriteFontFileStream**) DECLSPEC_HIDDEN; extern BOOL is_face_type_supported(DWRITE_FONT_FACE_TYPE) DECLSPEC_HIDDEN; extern HRESULT get_family_names_from_stream(IDWriteFontFileStream*,UINT32,DWRITE_FONT_FACE_TYPE,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; extern HRESULT create_colorglyphenum(FLOAT,FLOAT,const DWRITE_GLYPH_RUN*,const DWRITE_GLYPH_RUN_DESCRIPTION*,DWRITE_MEASURING_MODE, const DWRITE_MATRIX*,UINT32,IDWriteColorGlyphRunEnumerator**) DECLSPEC_HIDDEN; /* Opentype font table functions */ struct dwrite_font_props { DWRITE_FONT_STYLE style; DWRITE_FONT_STRETCH stretch; DWRITE_FONT_WEIGHT weight; DWRITE_PANOSE panose; }; extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,UINT32*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,BOOL*) DECLSPEC_HIDDEN; extern HRESULT opentype_get_font_table(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,UINT32,const void**,void**,UINT32*,BOOL*) DECLSPEC_HIDDEN; extern HRESULT opentype_cmap_get_unicode_ranges(void*,UINT32,DWRITE_UNICODE_RANGE*,UINT32*) DECLSPEC_HIDDEN; extern void opentype_get_font_properties(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,struct dwrite_font_props*) DECLSPEC_HIDDEN; extern void opentype_get_font_metrics(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,DWRITE_FONT_METRICS1*,DWRITE_CARET_METRICS*) DECLSPEC_HIDDEN; extern HRESULT opentype_get_font_info_strings(const void*,DWRITE_INFORMATIONAL_STRING_ID,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; extern HRESULT opentype_get_font_familyname(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; extern HRESULT opentype_get_font_facename(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; extern HRESULT opentype_get_typographic_features(IDWriteFontFace*,UINT32,UINT32,UINT32,UINT32*,DWRITE_FONT_FEATURE_TAG*) DECLSPEC_HIDDEN; extern BOOL opentype_get_vdmx_size(const void*,INT,UINT16*,UINT16*) DECLSPEC_HIDDEN; extern UINT32 opentype_get_cpal_palettecount(const void*) DECLSPEC_HIDDEN; extern UINT32 opentype_get_cpal_paletteentrycount(const void*) DECLSPEC_HIDDEN; extern HRESULT opentype_get_cpal_entries(const void*,UINT32,UINT32,UINT32,DWRITE_COLOR_F*) DECLSPEC_HIDDEN; enum gasp_flags { GASP_GRIDFIT = 0x0001, GASP_DOGRAY = 0x0002, GASP_SYMMETRIC_GRIDFIT = 0x0004, GASP_SYMMETRIC_SMOOTHING = 0x0008, }; extern WORD opentype_get_gasp_flags(const WORD*,UINT32,INT) DECLSPEC_HIDDEN; /* BiDi helpers */ extern HRESULT bidi_computelevels(const WCHAR*,UINT32,UINT8,UINT8*,UINT8*) DECLSPEC_HIDDEN; extern WCHAR bidi_get_mirrored_char(WCHAR) DECLSPEC_HIDDEN; enum outline_point_tag { OUTLINE_POINT_START = 1 << 0, OUTLINE_POINT_END = 1 << 1, OUTLINE_POINT_BEZIER = 1 << 2, OUTLINE_POINT_LINE = 1 << 3 }; struct glyph_outline { D2D1_POINT_2F *points; UINT8 *tags; UINT16 count; FLOAT advance; }; extern HRESULT new_glyph_outline(UINT32,struct glyph_outline**) DECLSPEC_HIDDEN; /* FreeType integration */ struct dwrite_glyphbitmap { IDWriteFontFace2 *fontface; FLOAT emsize; BOOL nohint; UINT16 index; INT pitch; RECT bbox; BYTE *buf; DWRITE_TEXTURE_TYPE type; }; extern BOOL init_freetype(void) DECLSPEC_HIDDEN; extern void release_freetype(void) DECLSPEC_HIDDEN; extern HRESULT freetype_get_design_glyph_metrics(IDWriteFontFace2*,UINT16,UINT16,DWRITE_GLYPH_METRICS*) DECLSPEC_HIDDEN; extern void freetype_notify_cacheremove(IDWriteFontFace2*) DECLSPEC_HIDDEN; extern BOOL freetype_is_monospaced(IDWriteFontFace2*) DECLSPEC_HIDDEN; extern HRESULT freetype_get_glyph_outline(IDWriteFontFace2*,FLOAT,UINT16,USHORT,struct glyph_outline**) DECLSPEC_HIDDEN; extern UINT16 freetype_get_glyphcount(IDWriteFontFace2*) DECLSPEC_HIDDEN; extern UINT16 freetype_get_glyphindex(IDWriteFontFace2*,UINT32,INT) DECLSPEC_HIDDEN; extern BOOL freetype_has_kerning_pairs(IDWriteFontFace2*) DECLSPEC_HIDDEN; extern INT32 freetype_get_kerning_pair_adjustment(IDWriteFontFace2*,UINT16,UINT16) DECLSPEC_HIDDEN; extern void freetype_get_glyph_bbox(struct dwrite_glyphbitmap*) DECLSPEC_HIDDEN; extern BOOL freetype_get_glyph_bitmap(struct dwrite_glyphbitmap*) DECLSPEC_HIDDEN; extern INT freetype_get_charmap_index(IDWriteFontFace2*,BOOL*) DECLSPEC_HIDDEN; extern INT32 freetype_get_glyph_advance(IDWriteFontFace2*,FLOAT,UINT16,DWRITE_MEASURING_MODE) DECLSPEC_HIDDEN; /* Glyph shaping */ enum SCRIPT_JUSTIFY { SCRIPT_JUSTIFY_NONE, SCRIPT_JUSTIFY_ARABIC_BLANK, SCRIPT_JUSTIFY_CHARACTER, SCRIPT_JUSTIFY_RESERVED1, SCRIPT_JUSTIFY_BLANK, SCRIPT_JUSTIFY_RESERVED2, SCRIPT_JUSTIFY_RESERVED3, SCRIPT_JUSTIFY_ARABIC_NORMAL, SCRIPT_JUSTIFY_ARABIC_KASHIDA, SCRIPT_JUSTIFY_ARABIC_ALEF, SCRIPT_JUSTIFY_ARABIC_HA, SCRIPT_JUSTIFY_ARABIC_RA, SCRIPT_JUSTIFY_ARABIC_BA, SCRIPT_JUSTIFY_ARABIC_BARA, SCRIPT_JUSTIFY_ARABIC_SEEN, SCRIPT_JUSTIFY_ARABIC_SEEN_M }; struct scriptshaping_cache; struct scriptshaping_context { struct scriptshaping_cache *cache; UINT32 language_tag; const WCHAR *text; UINT32 length; BOOL is_rtl; UINT32 max_glyph_count; }; extern HRESULT create_scriptshaping_cache(IDWriteFontFace*,struct scriptshaping_cache**) DECLSPEC_HIDDEN; extern void release_scriptshaping_cache(struct scriptshaping_cache*) DECLSPEC_HIDDEN; struct scriptshaping_ops { HRESULT (*contextual_shaping)(struct scriptshaping_context *context, UINT16 *clustermap, UINT16 *glyph_indices, UINT32* actual_glyph_count); HRESULT (*set_text_glyphs_props)(struct scriptshaping_context *context, UINT16 *clustermap, UINT16 *glyph_indices, UINT32 glyphcount, DWRITE_SHAPING_TEXT_PROPERTIES *text_props, DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props); }; extern const struct scriptshaping_ops default_shaping_ops DECLSPEC_HIDDEN; extern const struct scriptshaping_ops latn_shaping_ops DECLSPEC_HIDDEN;